List of A Papers :
  • A0 sheet of paper
  • A1 sheet of paper
  • A2 sheet of paper
  • A3 sheet of paper
  • A4 sheet of paper
  • A5 sheet of paper
  • A6 sheet of paper
  • A7 sheet of paper
  • A8 sheet of paper
  • A9 sheet of paper
  • A10 sheet of paper

A4 Paper Size

A4 paper is the size most used in the world. It is used as the classic paper sheet in all industrialized countries, and beyond, except in North America, which has retained different standards.

The dimensions of A4 is 297 x 210 mm or 11.69 x 8.27 inches. It has an area of 0.062 m², which corresponds to 0.07 square yards, 0.65 square foot, or 93 square inches. When usual and recommended printing margins are put , the printable size of A4 is 247 x 170 mm.

Compared to A0, which is the largest size standardized by ISO 216, A4 is 16 to 1, that is to say that one A0 sheet contains 16 A4 sheets. This proportion can also help to measure the weight of an A4 sheet. Indeed, A0 strictly measure 1 m². However, paper weights are expressed in g/m². So we know that for a paper of 160 g/m², an A4 sheet weighs 160/16 = 10 grams.

A4 is somehow the "star" of ISO 216. When it inherited in 1975 from Portsmann and his DIN 476 (1922), itself derived from the imagination of Professor Lichtenberg (1786), it had to be decided on a format that can correspond to a household and professional use. A4 was obviously the right size for these purposes.

Today, it is used for all printing, letters, magazines, forms ... that can be found in everyday life.

A4  is a half an A3, quarter an A2, for larger sizes, and corresponds to 2 A5 sheets, 4 A6 sheets or 8 A7 sheets for smaller sizes

A4 is majoritly used for letters, pinting documents, magazines ...

The measurements in inches of A4 is 8.27 x 11.69

The size of A4 is 8.27 x 11.69 inches

or 8 1/4 x 11 11/16 inches

The size in centimeters of A4 is 21 x 29.7

The size of A4 is 21 x 29.7 centimeters

or 210 x 297 millimeters

The paper A4 is commonly used in personnal or profesionnal computer printers.

All this documents can be print on A4 paper size : catalogs, small posters, magazines, letters, big flyers and forms.

The area of A4 paper sheet:

  • Square yard: 0.07
  • Square foot: 0.65
  • Square inch: 93

A4 paper area

Printing area of a sheet of paper A4 is 170 x 247 mm

Print surface A4 : 170 x 247 mm

A4 digital size in 300 dpi is 2480 x 3508 pixels

A4 size in 300 dpi : 2480 x 3508 pixels

A4 digital size in 150 dpi is 1240 x 1754 pixels

A4 size in 150 dpi : 1240 x 1754 pixels

Difference between A4 and all the others paper sizes

conversion-between A4/A0 conversion-between A4/A1 conversion-between A4/A2 conversion-between A4/A3 conversion-between A4/A5 conversion-between A4/A6 conversion-between A4/A7 conversion-between A4/A8 conversion-between A4/A9 conversion-between A4/A10
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